add copyright statements

1 files changed, 9 insertions, 0 deletions

diff --git a/pip.c b/pip.c
index f11160b5..ae92a81d 100644
--- a/pip.c
+++ b/pip.c
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2008-2009 Katholieke Universiteit Leuven
+ *
+ * Use of this software is governed by the GNU LGPLv2.1 license
+ *
+ * Written by Sven Verdoolaege, K.U.Leuven, Departement
+ * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
+ */
+
 #include <assert.h>
 #include <string.h>
 #include "isl_set.h"